bitmap_not
description
Syntax
BITMAP BITMAP_NOT(BITMAP lhs, BITMAP rhs)
Calculate the set after lhs minus rhs, return the new bitmap.
example
mysql> select bitmap_to_string(bitmap_not(bitmap_from_string('2,3'),bitmap_from_string('1,2,3,4')));
+----------------------------------------------------------------------------------------+
| bitmap_to_string(bitmap_not(bitmap_from_string('2,3'), bitmap_from_string('1,2,3,4'))) |
+----------------------------------------------------------------------------------------+
| |
+----------------------------------------------------------------------------------------+
mysql> select bitmap_to_string(bitmap_not(bitmap_from_string('2,3,5'),bitmap_from_string('1,2,3,4')));
+------------------------------------------------------------------------------------------+
| bitmap_to_string(bitmap_not(bitmap_from_string('2,3,5'), bitmap_from_string('1,2,3,4'))) |
+------------------------------------------------------------------------------------------+
| 5 |
+------------------------------------------------------------------------------------------+keywords
BITMAP_NOT,BITMAP